Granted Patent B2

US 7,221,415 · App. 10/420,689 · Granted May 22, 2007

Abstract

Claims (68)

1. A liquid crystal display apparatus of a front light type, comprising:

a liquid crystal display panel;

a light guide plate;

a light source optically connected with said light guide plate and irradiating light to said light guide plate; and

a space holding member which supports and fixes said liquid crystal display panel and said light guide plate in a region outside a display area of said liquid crystal display panel to have a predetermined gap;

wherein said space holding member having a base member and an adhesive material layer on at least one side of said base member;

wherein a refractive index of said adhesive material layer is smaller than that of said light guide plate; and

wherein said space holding member further comprises a light absorptive film provided between said light guide plate and said base member to cover said adhesive material layer at least.

2. A liquid crystal display apparatus of a front light type, comprising:

a liquid crystal display panel;

a light guide plate;

a light source optically connected with said light guide plate and irradiating light to said light guide plate; and

a space holding member which supports and fixes said liquid crystal display panel and said light guide plate in a region outside a display area of said liquid crystal display panel to have a predetermined gap;

wherein said space holding member having a base member and an adhesive material layer on at least one side of said base member,

wherein a refractive index of said adhesive material layer is smaller than that of said light guide plate; and

wherein said space holding member further comprises a light reflective film provided between said light guide plate and said base member to cover said adhesive material layer at least.

3. A liquid crystal display apparatus of a front light type, comprising:

a liquid crystal display panel;

a light guide plate;

a light source optically connected with said light guide plate and irradiating light to said light guide plate;

a space holding member which supports and fixes said liquid crystal display panel and said light guide plate in a region outside a display area of said liquid crystal display panel to have a predetermined gap; and

wherein said space holding member having a base member and an adhesive material layer on at least one side of said base member;

wherein said adhesive material layer contains fluoric compound; and

wherein said space holding member further comprises a light absorptive film provided between said light guide plate and said base member to cover said adhesive material layer at least.

4. A liquid crystal display apparatus of a front light type, comprising:

a liquid crystal display panel;

a light guide plate;

a light source optically connected with said light guide plate and irradiating light to said light guide plate;

a space holding member which supports and fixes said liquid crystal display panel and said light guide plate in a region outside a display area of said liquid crystal display panel to have a predetermined gap; and

wherein said space holding member having a base member and an adhesive material layer on at least one side of said base member;

wherein said adhesive material layer contains fluoric compound; and

wherein said space holding member further comprises a light reflective film provided between said light guide plate and said base member to cover said adhesive material layer at least.

5. A liquid crystal display apparatus of a front light type, comprising:

a liquid crystal display panel;

a light guide plate;

a light source optically connected with said light guide plate and irradiating light to said light guide plate;

a space holding member which supports and fixes said liquid crystal display panel and said light guide plate in a region outside a display area of said liquid crystal display panel to have a predetermined gap;

wherein said space holding member having a base member and an adhesive material layer on at least one side of said base member;

wherein said adhesive material layer contains light absorptive material; and

wherein said space holding member further comprises a light absorptive film provided between said light guide plate and said base member to cover said adhesive material layer at least.

6. A liquid crystal display apparatus of a front light type, comprising:

a liquid crystal display panel;

a light guide plate;

a light source optically connected with said light guide plate and irradiating light to said light guide plate;

a space holding member which supports and fixes said liquid crystal display panel and said light guide plate in a region outside a display area of said liquid crystal display panel to have a predetermined gap; and

wherein said space holding member having a base member and an adhesive material layer on at least one side of said base member;

wherein said adhesive material layer contains light absorptive material; and

wherein said space holding member further comprises a light reflective film provided between said light guide plate and said base member to cover said adhesive material layer at least.

7. A liquid crystal display apparatus of a front light type, comprising:

a liquid crystal display panel;

a light guide plate;

a light source optically connected with said light guide plate and irradiating light to said light guide plate;

a space holding member which supports and fixes said liquid crystal display panel and said light guide plate in a region outside a display area of said liquid crystal display panel to have a predetermined gap,

wherein said space holding member having a base member and an adhesive material layer on at least one side of said base member, and

wherein said space holding member further comprises:

a light absorptive film provided between said light guide plate and said base member to cover said adhesive material layer at least.

8. The liquid crystal display apparatus of a front light type according to claim 7 , wherein said light guide plate has a flat portion with no unevenness in a region corresponding to a region of said space holding member and a region in a direction of said display area from said space holding member.

9. The liquid crystal display apparatus of a front light type according to claim 7 , wherein said space holding member is provided to substantially surround said display area.

10. A liquid crystal display apparatus of a front light type, comprising:

a liquid crystal display panel;

a light guide plate;

a light source optically connected with said light guide plate and irradiating light to said light guide plate;

a space holding member which supports and fixes said liquid crystal display panel and said light guide plate in a region outside a display area of said liquid crystal display panel to have a predetermined gap,

wherein said space holding member having a base member and an adhesive material layer on at least one side of said base member, and

wherein said space holding member further comprises:

a light reflective film provided between said light guide plate and said base member to cover said adhesive material layer at least.

11. The liquid crystal display apparatus of a front light type according to claim 10 , wherein said light guide plate has a flat portion with no unevenness in a region corresponding to a region of said space holding member and a region in a direction of said display area from said space holding member.

12. The liquid crystal display apparatus of a front light type according to claim 10 , wherein said space holding member is provided to substantially surround said display area.

Assignments (6)